Re: mprotect abuse in slim

From: Chris Wright
Date: Tue Jan 09 2007 - 15:56:51 EST


* Christoph Hellwig (hch@xxxxxxxxxxxxx) wrote:
> On Mon, Jan 08, 2007 at 07:07:25PM -0800, Arjan van de Ven wrote:
> > maybe this is a silly question, but do you revoke not only the current
> > fd entries, but also the ones that are pending in UNIX domain sockets
> > and that are already being sent to the process? If not.. then you might
> > as well not bother ;)
>
> Exactly. What these folks want is revoke (maybe more fine grained, but
> that's not the point). And guess what folks, revoke is not trivial,
> otherwise we'd have it. If you want to volunteer to implement a full-blown
> revoke that's fine, but
>
> a) it belongs into core code
> b) needs to be done right

Very much agreed. There's way too many holes in half-way done revocation.

thanks,
-chris
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